<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../000-assets/js/vue3.js"></script>
</head>

<body>
    <div class="root" id="app">
        {{ 10+20 }}
    </div>
    <div id="app2">
        {{ 10+210 }}
    </div>

    <script>
        // 虽然可以像这样给多个dom标签绑定vue实例，但是不推荐这么做，因为很容易乱
        Vue.createApp().mount("#app");
        Vue.createApp().mount("#app2");
    </script>
</body>

</html>